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发明名称
Drill rod locking assembly
摘要
申请公布号
AU2010258055(A1)
申请公布日期
2012.01.19
申请号
AU20100258055
申请日期
2010.06.11
申请人
ATLAS COPCO CANADA, INC.
发明人
STRYDOM, GEORGE J.
分类号
E21B17/043
主分类号
E21B17/043
代理机构
代理人
主权项
地址
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